From 1d2825aa30b63e01ac353ebf36159fda00e33a05 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Tue, 26 Feb 2019 13:43:14 +0200
Subject: [PATCH] x86: acpi: Add DMA descriptors for SPI5 on Intel Tangier
Intel Tangier SoC has a general purpose DMA which can serve to speed up
communications on SPI and I2C serial buses.
Provide DMA descriptors to utilize this capability in the future.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---
arch/x86/include/asm/arch-tangier/acpi/southcluster.asl | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl b/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl
index baad98b1c7..8cb6f64b3d 100644
--- a/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl
+++ b/arch/x86/include/asm/arch-tangier/acpi/southcluster.asl
@@ -179,6 +179,9 @@ Device (PCI0)
"\\_SB.PCI0.GPIO", 0, ResourceConsumer, , ) { 112 }
GpioIo(Exclusive, PullUp, 0, 0, IoRestrictionOutputOnly,
"\\_SB.PCI0.GPIO", 0, ResourceConsumer, , ) { 113 }
+
+ FixedDMA(0x000d, 0x0002, Width32bit, )
+ FixedDMA(0x000c, 0x0003, Width32bit, )
})
Method (_CRS, 0, NotSerialized)
--
2.39.5